Detachable smartphone protective device with backup power unit



FIG. 1 is a perspective view of a detachable smartphone protective device with backup power unit,

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a bottom perspective view of a detachable smartphone protective device with backup power unit; and,

FIG. 9 is a combinative view of the backup power unit and the detachable smartphone protective device.

The broken lines shown in the drawings are included for the purpose of illustrating environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a detachable smart phone protective device with backup power unit, as shown and described. 